Home / 23,571.39-32,528.70-12,961.20

Finding the Fourth Proportional to 23,571.39, 32,528.70 and 12,961.20

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Solution

The fourth proportional to 23,571.39, 32,528.70 and 12,961.20 is: 17,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,571.39 : 32,528.70 = 12,961.20 : x
  2. Step 2: Convert to fraction form
    23,571.39/32,528.70 = 12,961.20/x
  3. Step 3: Cross multiply
    23,571.39x = 32,528.70 × 12,961.20
  4. Step 4: Simplify right side
    23,571.39x = 421,610,986.44
  5. Step 5: Solve for x
    x = 421,610,986.44/23,571.39
  6. Step 6: Final answer
    x = 17,886.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.